B and M service will end early each night. But D and F trains will be rerouted.

D trains will be rerouted on the A and C tracks, between 59th Street-Columbus Circle and West 4th Street stations, during the service change. F trains will run via the E line between West 4th Street and Roosevelt Avenue stations.

Special shuttle trains will run between Lexington Ave/63 Street and 21 St-Queensbridge stations, stopping at Roosevelt Island, every 20 minutes, according to the MTA.